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<br />. proper bonding of' the embankment with "the
<br />foundation, . ar the proper compaction 'of the
<br />materials in 'the' embankment, or that may "be
<br />otherwise' objectionable as determined by' the
<br />.contracting officer.
<br />
<br />c. Excavation below or outside" of
<br />stripping.-Excavation for dam embankment toe
<br />drains, drainage channel for to"e drains, a.nd. toe
<br />drain inspection wells shall be to th~ lines shown on
<br />the drawings or' as directed by the contracting
<br />officer.
<br />
<br />Excavation of unsuitable materials in the existing
<br />Bessemer Ditch shall be to the lines directed by the
<br />contracting officer. The 'unsuitable materials to .be
<br />excavated shaH include all materials too wet for
<br />proper compaction and all other materiai that may
<br />be otherwise ol?iectionable as determined by the
<br />contracting officer.
<br />
<br />d. Measurement and payment.-Measurement, for
<br />payment, of excavation, all classes, for earth ,dam
<br />embankment foundation will be made of materials
<br />removed in excavation to the dimensions, lines, and
<br />grades shown on the drawings or otherwise
<br />established by the contracting officer and in
<br />accordari~e with this paragraph.
<br />
<br />Payment for excavation, all classes, for earth. dam
<br />embankment foundation will be- made at the uni"t
<br />price per cubic yard bid therefor in the. schedule,
<br />which unit price shall include all costs as prov.ided in
<br />Subparagraph 8ld.
<br />
<br />83. 'EXCAVATION FOR BESSIOMER
<br />DITCH EARTH LINING
<br />
<br />The item of the schedule for excavation, ali Classes, for
<br />Bessemer Ditch earth Uning includes all excavation
<br />required for construction of the lining and drai.nage
<br />ditches bet.......een Station 194-32.80 and Station
<br />26+90.50 as shown on Drawing No. 55 1382.D-1433)'
<br />The ditch prism shall be ex.cavated approximately to
<br />the dimensions shown on the drawing.
<br />
<br />As a protection against air slaking, all exposed finish
<br />excavated shale foundation surfaces shall be kept moist
<br />at all times until covered by the earth lining.
<br />
<br />After completion of excavation, the contractor shall
<br />furnish and anchor treated timbers in the existing
<br />concrete floors at Station 19+32.80 and Station
<br />26+90.50 as shown on the drawing.
<br />
<br />Measurement, for payment, of excavation, all classes,
<br />
<br />
<br />SPECIFICATIONS' NO. OC-6
<br />(SUPPLEMENTAL NOTICE 'N.:'
<br />
<br />. ... --,u,.
<br />for Bessemer Ditch. .earth Hn'tng wifl" be".'fi),
<br />provided in Subparag;aph 'ald. . P~y;;'';!-
<br />excavation, al1 classes, for. Bessmer [Htch ear,t,
<br />will be. made at the unit price per cObic...~t
<br />therefor in the schedule, whi'ch unit pric'e:shalh
<br />al( 'costS of protecting the excavafed shale's' 5
<br />against air slaking, ot furnishing and anchoringl:,~ . ad
<br />timbers, and all costs as provided in SUbparagrapfM,&q.d,
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<br />84. EXCAVATION FOR 8ESSEMER .'!;'~'
<br />DITCH CHANNEL"
<br />
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<br />
<br />The item of the schedule tor excavation, all c1asses1. for
<br />Bessemer Ditch channel includes a\l excavation
<br />required to complete construction of the Bes.semer
<br />Ditch as shown on Drawing No" 47 "1382.0'678),
<br />except excavation for the Bessemer'Ditch earth ~t'riing
<br />as provided in Paragraph 83. The .:-excav"atibn .wi'p-~-be
<br />essentiatl.y in three areas: . :.: ,.. ...~l~~
<br />,._... . " ,1,
<br />
<br />
<br />(1) The plug at the inters.: c":' '-"ijfthe
<br />
<br />Bessemer Ditch and the inta~' '~'t
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<br />(2) Downstream from Stati6n:':, ' . fo .
<br />"..'f"' _
<br />and bedding. " -.-
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<br />57
<br />
<br />(3) Downstream from the Parshall fl ..ol/o'n
<br />in Section W-W on Drawing No. 47'. 18),
<br />and as required for the iiprap n r. e *'Og.
<br />Measurement, tor payment, of -e~avation~ '~~II
<br />classes, for Bessemer Ditch channel WIll be mad6s
<br />provided in Subparagraph' 81-<;1. Payment 'lor
<br />e~cavation, all classes, ~or B.e~s~.~,~~;.~i~~h .,. h ~!~I
<br />will be made at the umt pnfe 'jJ~r C!UbIC:V Id
<br />therefor in the schedule, w~ich" ..-ubit prk .:all
<br />include alt costs as provide.d :fh -Subparagra ld.
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<br />85. EXCAVATION f"Ofl :f\lGHT~': ~it<
<br />A8UTMENT OflAlNAGIf;'O/>rANliIEL '1it:,
<br />AND ORO~ STfllJCr~AES'" " . ,:f'
<br />
<br />The item at the schedule for excavation, all class'"Ers~:;for
<br />right abutment drainage channel ar:'d drop stnj~tures
<br />includes all stripping and excav.at;on requirE:.tf' for
<br />construction of the drainage channel as shoVin on
<br />Drawing No. 44 (382'D-1211), and as di;ected'~y:;ihe
<br />contracting officer. . ::.
<br />
<br />Measurement, for payment, of excavaliA. all ~'~~~e..
<br />for right.. abutment drainage channl!! an<{/:~gfoP
<br />structures will be made as provided in Subpar'alil~ph
<br />Bld. Payment for excavation, all classes, fo~,>(.i:9nt
<br />auutment drainage channel and drop structure~!).f.:~e
<br />made at the unit price -per cubic yard bid the~~~r.rn
<br />the schedule, which unit price shall include al~.~~n~',as
<br />provided in Subparagraph 8ld. . :/''';.,,1
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